TY  - BOOK
AU  - 
AU  - Trefil, James,;Calvo, Rita Ann.;Cutler, Kenneth.
ED  - 
ED  - 
ED  - 
ED  - 
SN  - 2
PY  - 2007///46
CY  - Evanston, IL
PB  - McDougal Littell
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
KW  - Study and teaching
KW  - Ecology.;Ecology
KW  - sears;sears0
N1  - 5
ER  -